This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A202695 #13 Oct 20 2014 17:15:13 %S A202695 1,0,1,5,5,4,0,5,10,14,205,205,200,190,176 %N A202695 The first of a set of three triangles constructed by the same rule as A202692-A202694, but where the top entries in the three triangles are 1,0,0 respectively. %H A202695 M. Josuat-Verges, J.-C. Novelli and J.-Y. Thibon, <a href="http://arxiv.org/abs/1110.5272">The algebraic combinatorics of snakes</a>, arXiv preprint arXiv:1110.5272, 2011 %e A202695 The triangle begins: %e A202695 1 %e A202695 0 1 %e A202695 5 5 4 %e A202695 0 5 10 14 %e A202695 205 205 200 190 176 %e A202695 ... %e A202695 The three triangles together: %e A202695 1 0 0 %e A202695 0 1 1 1 1 1 %e A202695 5 5 4 4 3 2 2 1 0 %e A202695 0 5 10 14 14 18 21 23 23 25 26 26 %e A202695 205 205 200 190 176 176 162 144 123 100 100 77 52 26 0 %Y A202695 The three triangles are A202695, A202696, A202697. %K A202695 nonn,tabl,more %O A202695 1,4 %A A202695 _N. J. A. Sloane_, Dec 23 2011